Year	current US$
1975	66705113.60823722
1976	75537977.84210001
1977	85743970.50029898
1978	94302689.80261523
1979	104559240.29234824
1980	128374683.04081938
1981	159697707.95008203
1982	163575796.74837172
1983	172077760.65231442
1984	192711181.82270175
1985	226868194.69994533
1986	233083080.59464028
1987	247352458.60885996
1988	267140655.29756877
1989	305324914.2345747
1990	285586436.63302344
1991	269775766.9169194
1992	238400000
1993	257793466.91194752
1994	260776612.1414011
1995	273405260.27942127
1996	314274349.9229354
1997	324615920.05170786
1998	378163376.9203998
1999	383632476.5077313
2000	414250000
2001	420650000
2002	454750000
2003	620700000
2004	608650000
2005	637750000
2006	611850000
2007	608277950
2008	637460800
2009	708118150
2010	698792050
2011	720427200
2012	701413800
2013	691770900
2014	673830500
2015	642925350
2016	648578300
2017	605105700
2018	601058900
2019	580675600
2020	574172400
2021	628200800
2022	691748100